发明授权
US4804398A 1-aryl-4-cyano-5-halogenopyrazoles, composition containing them, and
method of using them as selective herbicides
失效
1-芳基-4-氰基-5-卤代吡唑,含有它们的组合物,以及使用它们作为选择性除草剂的方法
- 专利标题: 1-aryl-4-cyano-5-halogenopyrazoles, composition containing them, and method of using them as selective herbicides
- 专利标题(中): 1-芳基-4-氰基-5-卤代吡唑,含有它们的组合物,以及使用它们作为选择性除草剂的方法
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申请号: US57471申请日: 1987-06-03
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公开(公告)号: US4804398A公开(公告)日: 1989-02-14
- 发明人: Reinhold Gehring , Uta Jensen-Korte , Otto Schallner , Jorg Stetter , Hans-Joachim Santel , Robert R. Schmidt
- 申请人: Reinhold Gehring , Uta Jensen-Korte , Otto Schallner , Jorg Stetter , Hans-Joachim Santel , Robert R. Schmidt
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3520329 19850607
- 主分类号: A01N43/56
- IPC分类号: A01N43/56 ; C07D231/16 ; C07D231/22 ; C07D401/04
摘要:
Herbicidally active novel 1-phenyl-4-cyano-5-halogenopyrazoles of the formula ##STR1## in which R is hydrogen or alkyl,Hal is halogen, andAr is phenyl substituted at least once by a radical other than halogen.Intermediates of the formulas ##STR2## are also new.
公开/授权文献
- US6090258A Ion-exchange spacer and processes for the preparation thereof 公开/授权日:2000-07-18
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